Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without
Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-23. NFC
NFC is not working
Yes
No
No
Enable NFC Function
Yes
No
END
Yes
No
Check the NFC FPCB Antenna
No
Replace NFC Antenna
Yes
No
C
heck the Status of
C5071, R5030, L5043, C5072, C5075, C5078, L5044, C5079,
C5080, R5031, C5076, C5077
No
Resolder or Replace
C5071, R5030, L5043, C5072, C5075, C5078,
L5044, C5079, C5080, R5031, C5076, C5077
(crack, open, damaged, etc.)
Yes
No
Resolder or Replace U5025
Check NFC function ON
Check the Antenna connect
ANT8003, ANT8005
Check the voltage on
C5063 = 1.8V
Check reference clock
TP5044 = 26 MHz
Resolder or Replace ANT8003, ANT8005
Check U12019-2
(short, open, crack, etc.)
Check UCP5000
(short, open, crack, etc.)
Yes
No
Yes
No
No
No